Who We Are
About Us
The Leading Radiation Consultancy
Excellence in radiation safety
Sieverts Radiation Protection Consultancy offers high quality advice on all aspects of radiation matters from designing shielding plan, conducting compliance testing, performing dosimetry assessment to providing radiation safety training for your radiation practice.
We work with you to ensure your radiation practices comply with the relevant radiation laws and to protect your staff from the harmful effects of ionising radiation and non-ionising radiation.
At Sieverts Radiation, we pride ourselves in delivering quality work that adds value and exceeds our clients’ expectations.
YOUR RADIATION SAFETY PARTNER
Why Work With Us
CERTIFIED
Sieverts is recognised for its contribution and involvement in the radiation industry across Australia. Sieverts is a proud company supporter and holds corporate membership with the Australasian College of Physical Scientists and Engineers in Medicine, the Australasian Radiation Protection Society and the Australian Dental Industry Association.
Tailored SOLUTIONS
We use a consultative approach for each business by understanding their unique radiation needs, acquiring critical data and then developing a tailored solution.
Qualified experts
Our team of radiation advisors are qualified and experienced medical physicists specialising in radiation physics. They can provide expert advice on all aspects of radiation safety and protection in an easy and understandable manner.
TIMELY RESULTS
We understand that businesses cannot afford down time or risk issues with radiation compliance. Sieverts prides itself on delivering high quality advice and service in a timely manner.
Attention To Detail
Excellence can only be increased through time and effort spent on the details. This is why hundreds of clients trust Sieverts as their radiation protection consultants.
Experienced & Knowledgeable
Our PEOPLE
William Tan
B.Medical Eng, Grad Dip App Sci (Medical Physics)
William is a qualified medical physicist specialising in radiation safety for radiation facilities across Australia.
William holds an extensive range of experience in all aspects of radiation and focuses exclusively on ensuring that all radiation practices comply with the relevant radiation laws, regulations and standards.
William is accredited and qualified in Queensland, New South Wales, Victoria, South Australia, Western Australia, Tasmania, Australian Capital Territory and the Northern Territory to provide radiation safety and protection advice and to certify radiation apparatus and premises to the relevant safety standards.
William is also a qualified Radiation Safety Officer across Australia and a full member of the Australasia College of Physical Scientists and Engineers in Medicine (ACPSEM), the Australasian Radiation Protection Society (ARPS) and the Australian Dental Industry Association (ADIA).
William served as the Vice President of the ADIA for Queensland from 2018 to 2020. William is well respected in the radiation industry and has sat as a board member with the Queensland Radiation Health to review the state's radiation safety standards.
PHYSICS TEAM
Ceren HB
BSci, MAppSci (Medical Physics)
Ceren is an experienced medical physicist and is particularly interested in the diverseness of the profession. She has a keen mind towards all aspects of physics and applies her knowledge to healthcare.
Ceren completed her Masters in medical physics project on the development and validation of an optical simulation of tumour movement monitoring during radiotherapy. The research project specifically addressed the issue of image guide radiation therapy: particularly associated with monitoring of tumour movement during actual delivery of external beam radiation therapy (intra fraction). It also considered the application of novel quantitative real-time ultrasound imaging, the specific aim being to dynamically monitor tumour movement during actual external beam radiotherapy delivery using a robotically-controlled ultrasound system.
Nazia P
BSci, MAppSci (Medical Physics)
Nazia graduated with bachelors in Physics and a Masters in Applied Sciences (Medical physics) from Queensland University of Technology. Her research revolved around the validation of small field detectors that included the W2 scintillator detector, Diamond detector, RAZOR nano chamber and CC01 in small field dosimetry using Monte Carlo simulation (EGSnrc and DOSXYZnrc).
Nazia is interested in science, especially Medical Physics and wants to explore the application of physics to improve human life. She thinks the current developments in Physics are overwhelming and open-up opportunities for the younger generation to delve into and use for the benefit of human beings. She is keen to explore the application of the theories to everyday life and improve living standards.
Rajdeep K
BSci, MSci (Medical Radiation Physics)
She actively participated in helping accomplish the balance of diagnostic image quality and radiation dose in close collaboration with physicians, technologists, and technical staff during her internship at Wollongong Hospital. Almost all of the equipment used by the clinicians in today’s hospitals and clinics are designed and put into clinical practice by medical physicists and clinical engineers, so, physicists offer reliability and continuity in medical physics services worldwide. In her work with Sieverts Rajdeep is interested in exploring the radiation safety programs and pathways, from radiation safety to compliance testing, to ensure the safe and effective use of radiation sources for both the public and staff working in these environments.
Hanieh H
BSci (Phys & Eng) MAppSci (Medical Physics)
Eager to explore and develop new equipment while honing her troubleshooting skills, Hanieh is an avid researcher who seizes every opportunity to learn new methods and techniques. She possesses a deep passion for learning and research, particularly in the innovative methods of Radiation Therapy for cancerous tumour's. This pursuit enables her to work towards her ultimate aspiration: contributing to a cancer-free world, especially for children.
Shaun P
BSci, MAppSci (Medical Physics)
In his new role as a Medical Physicist with Sieverts he is looking forward to meeting our clients and using his extensive experience in customer service to continue Sieverts tradition of excellence in quality service delivery. Shaun has a long history of delivering quality service to customers, helping them to achieve great outcomes and we are glad to have his vast experience to draw on. In his spare time, he enjoys exploring new places where he can go rock climbing and playing online chess.
Mandeep L
BSci, MSci (Medical Radiation Physics)
Jackie C
Jackie is a medical physicist with many years of experience in radiation compliance and safety.
Jackie completed her Masters project titled: Feasibility study of the use of an Electronic Portable Imaging Devices (EPID) Dosimetry Calibration Compensator. The project was to develop and verify a mean to maintain a correction in pixel variation without correcting beam profile in electronic portal imaging device with Monte-Carlo simulation using EGSnrc and DOSEXYZnrg.
As a medical physicist, Jackie continues to develop her experience in radiation protection, dose optimisation and radiation therapy – treatment and pre-treatment dose verification.
ESTHER W
Esther graduated with a Bachelor of Medical Radiation Physics and a Masters of Philosophy in Medical Radiation Physics from the University of Wollongong, NSW.
Esther’s thesis considers the Impact of 4DCT Dataset Representation on Radiotherapy Dose Calculations. It focused on how using different methods of reconstructing 4DCT datasets affected treatment planning and dose calculations for a moving tumour within the body. eg: lung tumours.
As a medical physicist, she is particularly interested in the innovative techniques used in cancer treatment that require little or no invasive surgical procedures to treat cancers such as Stereotactic Body Radiation Therapy (SBRT), which is a method of using medical imaging techniques to locate and target cancers with highly precise radiation treatment.
Daniel M
Daniel is a medical physicist with a keen interest in diagnostic and therapeutic nuclear medicine imaging. He has a strong working knowledge of radiation safety compliance program to ensure public safety.
Daniel completed his Masters research on Monte Carlo simulation to Relative Biological Effectiveness (RBE) weighted dose for 50 kV therapy.
Sypnosis – RBE of low energy x-rays have been found to have a higher RBE than x-rays in the megavoltage range. The research project investigated the relative biological effectiveness of a 50 kVp beam used for superficial and intraoperative therapy. It was found by a combination of physical measurements and Monte Carlo simulations that the 50 kVp beam produced has an RBE greater than unity relative to a Co-60 beam.
ADMIN TEAM
SHEENA
Sheena is an integral part of our Management Team, providing operational oversight to ensure consistent, personalised quality service delivery to our valuable clientele. She brings management, policy and administrative experience to the team. She oversees our recruitment and is known for putting people at ease, to support staff and ensure a thriving work environment.
Sheena has spent many years volunteering. She is an active member of her local church, enjoying walks with her husband, GRC classes and cooking feasts for friends and family.
ESTHER
Esther is our Accounts Manager and oversees our Shielding services. Esther holds a Bachelor of Commerce in Accounting, specialising in taxation and has worked for both large and small accounting firms. Over her time with Sieverts, Esthers experience has proved invaluable, she has a depth of knowledge on shielding requirements across Australia. This knowledge coupled with many years of experience, allows her to deliver excellence in service to our clients and support to our staff team.
Outside of work, Esther takes pride in her children, cares for her veggie patch and enjoys classical music.
ASTRID
Astrid has been with Sieverts for several years. Her contribution to the provision of excellence in service to our clients is second to none. Astrid is a hard working, diligent and a conscientious member of our staff team who is always looking for opportunities to improve our customer service and experience. Her tenacity in getting to the finer details of legislation is outstanding and of high benefit to our team and clientele.
SARAH
Sarah is an integral part of our admin team, coordinating bookings for our clients and managing our staff schedules with finesse. She came over from South Africa to Australia in 2008. Her background includes a Diploma in Veterinary Nursing, work as a Pharmaceutical Rep as well as studying as a Teacher's Aide.
Outside of work, Sarah enjoys spending time with her husband and four kids, as well as her dogs and cat. She enjoys camping, walking, cooking or diving into a good book and hopes to add a cute cow to her pet collection.
MEKALA
Mekala brings a wealth of experience in logistics, human resources and workplace health and safety to our team. Her years of administrative experience, focussing on quality service delivery, make Mekala an asset to Sieverts team. Mekala assists our clients with providing advice and access to information regarding radiation protection, with a special focus on our national travel schedules, connecting our clients from across all states of Australia.
In her spare time Mekala enjoys outdoor adventures with her family, road trips and watching her kids play sports.
REBECCA
Rebecca is Sieverts newly appointed Bookkeeper, assisting our clients and team with our day-to-day financial management. Rebecca has a Bachelor of Commerce, a double major in Accounting & Finance, and is a certified CPA. During her career, she has had experience in a variety of roles including payroll, tax consulting and management accounting. Rebecca enjoys every opportunity to enhance herself and her career and is thriving in her new role within our accounts team at Sieverts.
In her spare time, she enjoys making Amigurumi (‘crocheted stuffed yarn creatures’).
EXTERNAL CONSULTANTS
Prof. Ng Kwan-Hoong
Professor Ng is a Professor of Medical Physics, University of Malaya, and Senior Consultant at the Department of Radiology, University of Malaya Medical Centre, Kuala Lumpur, Malaysia. He is board certified by the American Board of Medical Physics (ABMP). His research areas are in medical imaging, radiation protection, image processing, mammography and health technology assessment.
He has served as an International Atomic Energy Agency (IAEA) expert in radiology quality assurance and radiation protection, and is a member of World Health Organization (WHO) expert committee in radiation medicine. He serves as the editor of the Electronic Medical Physics World (EMPW), and sits on the editorial board of the Australasian College of Physical Scientists & Engineers in Medicine (ACPSEM). He is the chairman of the International Advisory Board of the International Organization for Medical Physics (IOMP) and a council member for the International Union of Physical and Engineering Science in Medicine (IUPESM). He is the founding president of the South East Asian Federation of Medical Physics.
Professor Ng has published over 60 papers in peer-reviewed journals and presented over 170 scientific papers .He has also organized and directed several workshops on radiology quality assurance and scientific writing. He is also author/co-author of four book chapters and seven books.
Ms Lucy Sim
Dr Kam L Lee
INDUSTRY CREDENTIALS
Our Associations
